Right after you install Git, the first thing you should do is set your username and email address. From a shell, type:
git config --global user.name "Mr. Bean" git config --global user.email email@example.com
git configis the command to get or set options
--globalmeans that the configuration file specific to your user account will be edited
user.emailare the keys for the configuration variables;
useris the section of the configuration file.
firstname.lastname@example.org the values that you're storing in the two variables. Note the quotes around
"Mr. Bean", which are required because the value you are storing contains a space.